omni-ansible/tasks/docker/install.yml

---
# Just use the same repo for cent7 and cent8 because ¯\_(ツ)_/¯
- name: Install Docker repository
  become: true
  when: ansible_distribution == "CentOS"
  yum_repository:
    name: docker-ce-stable
    description: Docker CE Stable - $basearch
    file: docker-ce-stable
    baseurl: https://download.docker.com/linux/centos/7/$basearch/stable
    gpgcheck: false

- name: Install Docker on Cent7
  become: true
  when: ansible_distribution == "CentOS" and ansible_distribution_major_version == "7"
  yum:
    # Update the cache to update with the new docker repo
    update_cache: true
    state: "{{ _runtime_update_state }}"
    name:
      - device-mapper-persistent-data  # Required for docker devicestorage driver
      - lvm2                           #  same
      - docker-ce
      - containerd.io

- name: Install Docker on Cent8
  become: true
  when: ansible_distribution == "CentOS" and ansible_distribution_major_version == "8"
  dnf:
    # Update the cache to update with the new docker repo
    update_cache: true
    state: "{{ _runtime_update_state }}"
    name:
      - device-mapper-persistent-data  # Required for docker devicestorage driver
      - lvm2                           #  same
      - docker-ce-3:18.09.1-3.el7